1. Department of Mathematical Sciences, Federal Urdu University of Arts, Sciences & Technology, Islamabad, Pakistan
2. Department of Mathematics, Quaid-i-Azam University, Islamabad, Pakistan
3. Department of Mathematics, College of Sciences, King Khalid University, Abha, Saudi Arabia
4. Nonlinear Analysis and Applied Mathematics (NAAM) Research Group, Department of Mathematics, Faculty of Science, King AbdulAziz University, Jeddah, Saudi Arabia
5. Department of Mathematics, Mohi-ud-Din Islamic University, Nerian Sharif, Azad Jammu and Kashmir, Pakistan